Why Choose the Mersen N208254 High-Speed Fuse?
The Mersen N208254, catalogue number MI5FAP25V0.63, is a compact high-speed miniature cartridge fuse with axial leads designed to protect sensitive semiconductor devices and electronic components against damaging overcurrents and short circuits. Its very fast-acting FA characteristic rapidly interrupts electrical faults, helping to minimise the thermal and electrical energy reaching protected circuitry.
Rated at 0.63 A and 250 V AC, the N208254 is suitable for industrial electronics, automation equipment, power supplies and OEM assemblies requiring dependable semiconductor protection. Its standard 5 × 20 mm cartridge format provides a compact solution for applications where installation space is restricted.
The integrated axial leads allow the fuse to be soldered directly onto printed circuit boards or connected to other electronic components without requiring a separate fuse holder. Manufactured as part of Mersen’s semiconductor miniature fuse range, the N208254 combines straightforward integration with dependable high-speed circuit protection.
Key Advantages
- Very fast-acting FA characteristic for semiconductor protection.
- 0.63 A current rating for sensitive electronic circuits.
- 250 V AC voltage rating.
- Compact 5 × 20 mm miniature cartridge format.
- Axial leads enable direct installation onto printed circuit boards.
- Very high breaking capacity helps provide reliable fault interruption.
Key Features
- Mersen semiconductor miniature fuse range.
- MI5FAP25V0.63 catalogue reference.
- 0.63 A rated current.
- 250 V AC rated voltage.
- High-speed FA operating characteristic.
- 5 × 20 mm cartridge dimensions.
- Axial lead mounting for direct soldered connections.
- Designed for semiconductor and sensitive electronic circuit protection.
Fast Protection for Sensitive Electronic Components
Semiconductor devices can be damaged by short-duration overcurrent events before conventional general-purpose fuses have time to operate. The Mersen N208254 uses a high-speed FA characteristic to interrupt fault currents rapidly and reduce the electrical and thermal stress placed on sensitive components.
Its axial lead construction allows direct integration into printed circuit boards and compact electronic assemblies. This simplifies installation while providing dependable protection for control electronics, power conversion equipment and OEM systems where reliable operation is essential.
Typical Applications
- Semiconductor device protection.
- Printed circuit boards.
- Industrial electronic control circuits.
- Automation and monitoring equipment.
- Power supplies and conversion electronics.
- OEM electrical and electronic assemblies.
